Peñaloza, A. C., & Rallón, A. O. (2019). Dear Someone: Connecting Medical Students and Rural Elementary School Students Through Pen Pal Letters. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Peñaloza, Anna Carolina, i Ana Olga Rallón. Dear Someone: Connecting Medical Students and Rural Elementary School Students Through Pen Pal Letters. Universidad Pedagógica y Tecnológica de Colombia, 2019.
MLA način citiranja (9. izdanje)Peñaloza, Anna Carolina, i Ana Olga Rallón. Dear Someone: Connecting Medical Students and Rural Elementary School Students Through Pen Pal Letters. Universidad Pedagógica y Tecnológica de Colombia, 2019.
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